Chatting with a textbook for exam studying purposes?

Hi guys. I'm looking for a tool that will let me chat with a PDF textbook and is also reliable at creating multiple choice questions from it.
It needs to be able to accept large pdf's (at least 2000 pages)

I've tried chat pdf but I found it infers information incorrectly from the text and sometimes also straight up makes things up that aren't in the book. It also really frequently references pages where the information it outputs simply doesn't …

artificial chat exam information least multiple pdf questions studying tool